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Given the values of ?Gfo given below in kJ/mol, calculate the value of ?Go in kJ for the reaction at 298 K.: 3 NO2(g) + H2O(l) => 2 HNO3(l) + NO(g) ?Gfo (NO2) = 51.0 ?Gfo (H2O(l)) = -235.3 ?Gfo (HNO3) = -81.7 DGfo (NO) = 86.8
A 50 mL sample of 0.5 M HCl is titrated with 0.5 M NaOH. What is the pH of the solution after 28 mL of NaOH have been added to the acid
The resulting equilibrium solution has a pH of 10.56. What is the Ksp of the salt at 22 °C?
I'm working on a Lewis Structures sheet. After we have completed the structures, which i have, we need to predict the shape of the molecule in VSEPR. What is the shape of a C2H6 amd a C2H4 molecule in VSEPR?
An aqueous solution of NaNO3 is 22.0% NaNO3 by mass. The density of the solution is 1.127 g/mL. Calculate the molality, the molarity and the mole fraction of NaNO3.
An aqueous solution containing 2.0M of AgNO3 is slowly added from a burette to an aqueous solution that holds 0.01M Cl- as well as .01M Br-. Is separation of the two ions by selective precipitation feasible? Assume 10^-5 M as the complete removal ..
0.50g of Cu 2+ is dissolved in 4.0ml of 16 M HNO3. how much 3.0 M NaOH must be added to precipitate the Cu 2+ as Cu(OH)2
Suppose a volume is divided into three equal parts. How many microstates exist for distributing four molecules among the three parts?
A water sample is suspected to be contaminated by iron (III) ions. How could you determine if the sample is really contaminated
A certain gaseous oxide of sulfur has an effusion rate that is 0.707 times the effusion rate of oxygen gas
Sodium thiosulfate, Na2S2O3, is used as a "fixer" in black and white photography. Identify the reducing agent in the reaction of thiosulfate with iodine.
Liquid HCN is unstable with respect to trimer formation. What would be the structure of this trimer
Give the systematic names for the formulas, or the formulas for the names. (Type your answer using the format copper(II) chloride for CuCl2, and using the format CO2 for CO2. Omit the centered dot for hydrates.)
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